9ELR

env2 cobalamin riboswitch aptamer domain in complex with ethynyl-2-naphthalenepropiolate-cobalamin

This is a non-PDB format compatible entry.

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	RNA (76-MER)	polymer	76	24731.7	2		marine metagenome
2	C, P (A, B)	naphthalen-2-yl 3-[(3~{R},4~{R},5~{R},9~{S},14~{S},15~{S},19~{S},20~{S},21~{R})-4,15,20-tris(2-azanyl-2-oxidanylidene-ethyl)-9,14,19-tris(3-azanyl-3-oxidanylidene-propyl)-5-[3-[[(2~{R})-2-[[(2~{R},3~{S},4~{R},5~{S})-5-(5,6-dimethylbenzimidazol-1-yl)-2-(hydroxymethyl)-4-oxidanyl-oxolan-3-yl]oxy-oxidanyl-phosphoryl]oxypropyl]amino]-3-oxidanylidene-propyl]-5,7,10,10,15,17,20,21-octamethyl-22-aza-2,23,24-triazonia-1$l^{5}-cobaltaoctacyclo[11.9.1.1^{1,8}.0^{2,6}.0^{3,21}.0^{16,23}.0^{18,22}.0^{11,24}]tetracosa-2(6),7,11(24),12,16(23),17-hexaen-1-yl]prop-2-ynoate	non-polymer		1525.5	2	Chemie (A1BI7)
3	D, Q (A, B)	N-methylpropane-1,3-diamine	non-polymer		88.2	2	Chemie (N3D)
4	E, R (A, B)	2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL	non-polymer		122.1	2	Chemie (TRS)
5	AA, BA, F, G, H... (B, A)	MAGNESIUM ION	non-polymer		24.3	19	Chemie (MG)
6	CA, O (B, A)	POTASSIUM ION	non-polymer		39.1	2	Chemie (K)
7	DA, EA (A, B)	water	water		18.0	416	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	49463.4
Non-Polymers*	Number of molecules	27
	Total formula weight	4011.7
All*	Total formula weight	53475.1

*Water molecules are not included.